of the cingulate sulcus) does not correspond to the precentral sulcus on the medial plane.
* The posterior portion is considered part of the parietal lobe and deals with somatosensory of the distal limbs.

While the boundary between the lobes, the central sulcus, is easy to locate on the lateral surface of the cerebral hemispheres, this boundary is often discerned in a cytoarchetectonic